John Deere alternator pulley transmits rotational motion via a belt to support reliable power delivery in compatible equipment systems
A grooved rim on this pulley provides targeted engagement with the belt, helping ensure secure seating during operation
This pulley integrates into alternator drive assemblies, supporting effective power transfer within belt-driven systems
Guided belt path design allows straightforward installation while maintaining appropriate tension for consistent performance
Steel construction offers endurance against wear and repeated use, contributing to long service life with minimal maintenance needs
Product Dimensions
Weight
1.87 lb
Height
3 in
Length
1.5 in
Specifications
Groove Width
12.7 mm
Effective Diameter
77.775 mm
Bore Size
17.043 mm
For the most accurate fit and confidence, please select the equipment you are shopping for. Parts can be used across a number of different models, the models shown here indicate general fit of the part.
4020
8430
8630
Generally, parts purchased from Shop.Deere.com are covered by the John Deere Parts Warranty, covering defects in material and workmanship, for a minimum period of 6 months from receipt. For complete warranty information, please contact your local authorized John Deere dealer.
